Home / 1,419,781.64-1,959,630.26-936,433.16

Finding the Fourth Proportional to 1,419,781.64, 1,959,630.26 and 936,433.16

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Solution

The fourth proportional to 1,419,781.64, 1,959,630.26 and 936,433.16 is: 1,292,496.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,419,781.64 : 1,959,630.26 = 936,433.16 : x
  2. Step 2: Convert to fraction form
    1,419,781.64/1,959,630.26 = 936,433.16/x
  3. Step 3: Cross multiply
    1,419,781.64x = 1,959,630.26 × 936,433.16
  4. Step 4: Simplify right side
    1,419,781.64x = 1,835,062,756,803.42
  5. Step 5: Solve for x
    x = 1,835,062,756,803.42/1,419,781.64
  6. Step 6: Final answer
    x = 1,292,496.47

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.